Home / 22,071.12-30,458.40-11,999.34

Finding the Fourth Proportional to 22,071.12, 30,458.40 and 11,999.34

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Solution

The fourth proportional to 22,071.12, 30,458.40 and 11,999.34 is: 16,559.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,071.12 : 30,458.40 = 11,999.34 : x
  2. Step 2: Convert to fraction form
    22,071.12/30,458.40 = 11,999.34/x
  3. Step 3: Cross multiply
    22,071.12x = 30,458.40 × 11,999.34
  4. Step 4: Simplify right side
    22,071.12x = 365,480,652.46
  5. Step 5: Solve for x
    x = 365,480,652.46/22,071.12
  6. Step 6: Final answer
    x = 16,559.23

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.